Clean the pipeline of all contaminants.
Determine the direction of the fluid, torque as flow into the disc may generate higher torque than flow into the shaft side of the disc
Position disk in the...
Hard seal butterfly valve
Hard sealing of butterfly valve refers to that both sides of the sealing pair are made of metal materials or other hard materials. The sealing performance of this kind of ...
After the valve has been running in the pipeline network for a period of time, various failures will occur. The number of reasons for the failure of the valve is related to the number of parts that...
Working Principle of Backflow Preventer
TWS backflow preventer is a mechanical device designed to prevent the reverse flow of contaminated water or other media into a potable water supply system or...
From June 16th to 18th, the “Control Valve Advanced Technology Training Course” sponsored by the Control Valve Branch of China Mechatronics Technology Application Association and co-org...
Valve foundation
1. The basic parameters of the valve are: nominal pressure PN and nominal diameter DN
2. Basic function of the valve: cut off the connected medium, adjust the flow rate, and change...
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